Home / 108,598.93-149,777.67-76,440.01

Finding the Fourth Proportional to 108,598.93, 149,777.67 and 76,440.01

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Solution

The fourth proportional to 108,598.93, 149,777.67 and 76,440.01 is: 105,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,598.93 : 149,777.67 = 76,440.01 : x
  2. Step 2: Convert to fraction form
    108,598.93/149,777.67 = 76,440.01/x
  3. Step 3: Cross multiply
    108,598.93x = 149,777.67 × 76,440.01
  4. Step 4: Simplify right side
    108,598.93x = 11,449,006,592.58
  5. Step 5: Solve for x
    x = 11,449,006,592.58/108,598.93
  6. Step 6: Final answer
    x = 105,424.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.